Re-posting the debug since raw text was removed... I have turn on the debugging messages and receiving following for good POST: /etharp_timer ethernet_input: dest:C2:AF:51:3:CF:46, src:AC:22:B:4F:46:93, type:800 ethernet_output: sending packet p ethernet_input: dest:C2:AF:51:3:CF:46, src:AC:22:B:4F:46:93, type:800 http_accept 536924596 / 0 ethernet_input: dest:C2:AF:51:3:CF:46, src:AC:22:B:4F:46:93, type:800 http_recv: pcb=536924596 pbuf=536911128 err=Ok. Received 513 bytes First pbuf CRLF received, parsing request Received POST request Received "POST" request for URI: "/index.html" -PB-connection: 536926136 -PB-uri: /index.html -PB-http_request: HTTP/1.1 Host: 10.10.10.199 User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:72.0) Gecko/20100101 Firefox/72.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8 Accept-Language: cs,sk;q=0.8,en-US;q=0.5,en;q=0.3 Accept-Encoding: gzip, deflate Content-Type: application/x-www-form-urlencoded Content-Length: 7 Origin: http://10.10.10.199 DNT: 1 Connection: keep-alive Referer: http://10.10.10.199/index.html Upgrade-Insecure-Requests: 1 -PB-http_request_len: 489 -PB-content_len: 7 -PB-response_uri: -PB-response_uri_len: 63 -PB-post_auto_wnd: 1 -PD-connection: 536926136 p->payload: A=Apply p->ref: 3 p->next: 0 p->tot_len: 7 -PE-connection: 536926136 -PE-response_uri: /index.html Opening /index.html http_recv: data 536926228 len 1420 http_send: pcb=536924596 hs=536926136 left=1420 Trying to send 17 bytes Sent 17 bytes Trying to send 63 bytes Sent 63 bytes Trying to send 16 bytes Sent 16 bytes Trying to send 6 bytes Sent 6 bytes Trying to send 27 bytes Sent 27 bytes Trying to send 1420 bytes Sent 1420 bytes End of file. Closing connection 536924596 ethernet_output: sending packet p ethernet_output: sending packet p ethernet_input: dest:C2:AF:51:3:CF:46, src:AC:22:B:4F:46:93, type:800 ethernet_input: dest:C2:AF:51:3:CF:46, src:AC:22:B:4F:46:93, type:800 ethernet_output: sending packet p ethernet_input: dest:C2:AF:51:3:CF:46, src:AC:22:B:4F:46:93, type:800 ethernet_output: sending packet p ethernet_input: dest:C2:AF:51:3:CF:46, src:AC:22:B:4F:46:93, type:800 http_accept 536924440 / 0 ethernet_input: dest:C2:AF:51:3:CF:46, src:AC:22:B:4F:46:93, type:800 ethernet_output: sending packet p ethernet_input: dest:C2:AF:51:3:CF:46, src:AC:22:B:4F:46:93, type:800 http_accept 536924284 / 0 http_recv: pcb=536924284 pbuf=536906744 err=Ok. Received 308 bytes First pbuf CRLF received, parsing request Received GET request" Received "GET" request for URI: "/js/EnDis.js" Opening /js/EnDis.js http_recv: data 134359560 len 230 http_send: pcb=536924284 hs=536926312 left=230 Trying to send 17 bytes Sent 17 bytes Trying to send 63 bytes Sent 63 bytes Trying to send 40 bytes Sent 40 bytes Trying to send 230 bytes Sent 230 bytes End of file. Closing connection 536924284 ethernet_output: sending packet p ethernet_input: dest:C2:AF:51:3:CF:46, src:AC:22:B:4F:46:93, type:800 ethernet_output: sending packet p etharp_timer ethernet_input: dest:C2:AF:51:3:CF:46, src:AC:22:B:4F:46:93, type:800 http_recv: pcb=536924440 pbuf=536906744 err=Ok. Received 323 bytes First pbuf CRLF received, parsing request Received GET request" Received "GET" request for URI: "/css/OHS.css" Opening /css/OHS.css http_recv: data 134351988 len 2746 http_send: pcb=536924440 hs=536926220 left=2746 Trying to send 17 bytes Sent 17 bytes Trying to send 63 bytes Sent 63 bytes Trying to send 26 bytes Sent 26 bytes Trying to send 1942 bytes Sent 1942 bytes send_data end. ethernet_output: sending packet p ethernet_output: sending packet p ethernet_input: dest:C2:AF:51:3:CF:46, src:AC:22:B:4F:46:93, type:800 http_sent 536924440 http_send: pcb=536924440 hs=536926220 left=804 Trying to send 804 bytes Sent 804 bytes End of file. Closing connection 536924440 ethernet_output: sending packet p ethernet_input: dest:C2:AF:51:3:CF:46, src:AC:22:B:4F:46:93, type:800 ethernet_output: sending packet p etharp_timer etharp_timer/
Then after few more POSTs I get this: /etharp_timer etharp_timer ethernet_input: dest:C2:AF:51:3:CF:46, src:AC:22:B:4F:46:93, type:800 ethernet_output: sending packet p ethernet_input: dest:C2:AF:51:3:CF:46, src:AC:22:B:4F:46:93, type:800 http_accept 536925064 / 0 ethernet_input: dest:C2:AF:51:3:CF:46, src:AC:22:B:4F:46:93, type:800 http_recv: pcb=536925064 pbuf=536906744 err=Ok. Received 513 bytes First pbuf CRLF received, parsing request Received POST request Received "POST" request for URI: "/index.html" -PB-connection: 536926136 -PB-uri: /index.html -PB-http_request: HTTP/1.1 Host: 10.10.10.199 User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:72.0) Gecko/20100101 Firefox/72.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8 Accept-Language: cs,sk;q=0.8,en-US;q=0.5,en;q=0.3 Accept-Encoding: gzip, deflate Content-Type: application/x-www-form-urlencoded Content-Length: 7 Origin: http://10.10.10.199 DNT: 1 Connection: keep-alive Referer: http://10.10.10.199/index.html Upgrade-Insecure-Requests: 1 -PB-http_request_len: 489 -PB-content_len: 7 -PB-response_uri: -PB-response_uri_len: 63 -PB-post_auto_wnd: 1 -PD-connection: 536926136 p->payload: A=Apply p->ref: 3 p->next: 0 p->tot_len: 7 -PE-connection: 536926136 -PE-response_uri: /index.html Opening /index.html http_recv: data 536926228 len 1420 http_send: pcb=536925064 hs=536926136 left=1420 Trying to send 17 bytes Sent 17 bytes Trying to send 63 bytes Sent 63 bytes Trying to send 16 bytes Sent 16 bytes Trying to send 6 bytes Sent 6 bytes Trying to send 27 bytes Sent 27 bytes Trying to send 1420 bytes Sent 1420 bytes End of file. Closing connection 536925064 ethernet_output: sending packet p ethernet_output: sending packet p etharp_timer etharp_timer ethernet_output: sending packet p etharp_timer etharp_timer etharp_timer etharp_timer etharp_timer ethernet_output: sending packet p etharp_timer/ And the lwip is stuck, while other threads work well. I meant that httpd is no longer responding to any request and also sntp is not able reach remote server. Both threads serving lwip, called lwipthread and tcpip_thread are in good state and not overflooded. Any ideas what can be the cause? Thanks. -- Sent from: http://lwip.100.n7.nabble.com/lwip-users-f3.html _______________________________________________ lwip-users mailing list lwip-users@nongnu.org https://lists.nongnu.org/mailman/listinfo/lwip-users